Add symfony2 security encoders see #7646

- Add bcrypt enconder.
- Add password-compat if bcrypt is used in php < 5.5.
- New db fields: user.salt, user.username_canonical.
- Remove use of api_get_encrypted_password().
- During installation the UserManager::create_user() is now used.
- Add Repository and Manager classes for the user entity.
- Remove function encryptPass in cm_webservice.php
- Fix registration.soap.php

main/admin/user_list.php

@@ -393,16 +393,16 @@ function get_number_of_users() {
 function get_user_data($from, $number_of_items, $column, $direction) {
     $sql = prepare_user_sql_query(false);
 
+    /* @todo will not work because now we use the salt field
     $checkPassStrength = isset($_GET['check_easy_passwords']) && $_GET['check_easy_passwords'] == 1 ? true : false;
-
     if ($checkPassStrength) {
         $easyPasswordList = api_get_easy_password_list();
         $easyPasswordList = array_map('api_get_encrypted_password', $easyPasswordList);
         $easyPasswordList = array_map(array('Database', 'escape_string'), $easyPasswordList);
         $easyPassword = implode("' OR password LIKE '", $easyPasswordList);
 
         $sql .= "AND password LIKE '$easyPassword' ";
-    }
+    }*/
 
     if (!in_array($direction, array('ASC','DESC'))) {
     	$direction = 'ASC';